Landings - Mid-Atlantic Bight

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Background

Landings from Mid-Atlantic Managed spp. SOE reports decreasing through time. Questions: * What are we trying to answer?

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SOE 2021

Managed Only

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Stats

        model     aicc coefs..Intercept.    coefs.x  coefs.x2         pval
1   poly_norm 715.4884        -285320624 286974.295 -72.12946 6.878581e-09
2    poly_ar1 707.6189        -235385279 236942.647 -59.59776 1.256761e-02
3 linear_norm 727.3107           3912007  -1904.181        NA 2.128363e-08
4  linear_ar1 715.8490           3555326  -1726.368        NA 1.013411e-02

Landing - GAMs - MAB

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GAM

Stats


Family: gaussian 
Link function: identity 

Formula:
Value ~ s(Time)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept)    98885       1732   57.08   <2e-16 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Approximate significance of smooth terms:
          edf Ref.df     F p-value    
s(Time) 7.729  8.587 19.01  <2e-16 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

R-sq.(adj) =  0.829   Deviance explained = 86.9%
GCV = 1.373e+08  Scale est. = 1.0205e+08  n = 34

Column

Thresholds

Revenue - Mid-Atlantic Bight

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Background

Revenue from Mid-Atlantic managed spp.

Row

SOE 2021

Managed Only

Column

Stats

        model     aicc coefs..Intercept.   coefs.x  coefs.x2         pval
1   poly_norm 1168.231     -512527162130 515818739 -129725.1 8.863323e-12
2    poly_ar1 1152.562     -184970186258 188365752  -47889.5 1.406590e-02
3 linear_norm 1197.073        7658835265  -3730308        NA 8.605015e-11
4  linear_ar1 1174.992        7118983789  -3460779        NA 6.912178e-03